Fabio Erculiani
61 lines
1.2 KiB
Plaintext
61 lines
1.2 KiB
Plaintext
#include <dlfcn.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#define VERSION_LEN 10
|
|
|
|
#define FORMAT EPREFIX PLUGIN_DIR "/kpython%spluginfactory.so"
|
|
|
|
static void *handle;
|
|
static void *(*wrapped_qt_plugin_instance)();
|
|
|
|
static void get_python_version(char* out) {
|
|
int pipefd[2];
|
|
pipe(pipefd);
|
|
pid_t cpid = fork();
|
|
if (cpid == 0) {
|
|
close(pipefd[1]);
|
|
read(pipefd[0], out, VERSION_LEN);
|
|
} else {
|
|
close(pipefd[0]);
|
|
close(1);
|
|
dup2(pipefd[1], 1);
|
|
close(pipefd[1]);
|
|
close(0);
|
|
char *args[] = { "eselect", "python", "show", "--ABI", "--python2", 0 };
|
|
execv(EPREFIX "/usr/bin/eselect", args);
|
|
}
|
|
}
|
|
|
|
__attribute__((constructor))
|
|
static void init() {
|
|
char buf[VERSION_LEN + 1];
|
|
memset(buf, 0, VERSION_LEN + 1);
|
|
get_python_version(buf);
|
|
char *s = buf;
|
|
while(*s != '\0') {
|
|
if(*s == '\n') {
|
|
*s = '\0';
|
|
break;
|
|
}
|
|
++s;
|
|
}
|
|
int length = strlen(FORMAT) + strlen(buf) + 1;
|
|
char *name = malloc(length + 1);
|
|
snprintf(name, length, FORMAT, buf);
|
|
handle = dlopen(name, RTLD_NOW);
|
|
free(name);
|
|
wrapped_qt_plugin_instance = dlsym(handle, "qt_plugin_instance");
|
|
}
|
|
|
|
__attribute__((destructor))
|
|
static void fini() {
|
|
dlclose(handle);
|
|
}
|
|
|
|
void *qt_plugin_instance() {
|
|
return wrapped_qt_plugin_instance();
|
|
}
|